/Engine/Source/Runtime/Core/Public/Math/TransformCalculus2D.h
Vector rotation is equivalent to rotating a point.
template<typename ArgType> [UE::Math::TVector2](API\Runtime\Core\Math\TVector2)< ArgType > TransformVector ( const [UE::Math::TVector2](API\Runtime\Core\Math\TVector2)< ArgType > & Vector ) const